Global Patent Index - EP 1309225 B1

EP 1309225 B1 20140416 - Method for determining the feedback threshold in a hearing aid

Title (en)

Method for determining the feedback threshold in a hearing aid

Title (de)

Verfahren zur Bestimmung einer Rückkopplungsschwelle in einem Hörgerät

Title (fr)

Procédé pour déterminer le seuil de couplage dans une prothèse auditive


EP 1309225 B1 20140416 (DE)


EP 02022088 A 20021002


EP 02022088 A 20021002

Abstract (en)

[origin: EP1309225A1] The wearer inserts the hearing aid. It is subjected to an input signal (I). This leads to higher amplification (VA) than a supposed feedback threshold. The forward path amplification (VKS) is measured and equated to the feedback threshold (VKRIT) <??>An Independent claim is included for a corresponding hearing aid with adjusted critical feedback threshold.

IPC 8 full level

H04R 25/00 (2006.01)

CPC (source: EP)

H04R 25/30 (2013.01); H04R 25/453 (2013.01); H04R 25/502 (2013.01); H04R 25/70 (2013.01)

Citation (examination)

GREENBERG JULIE E ET AL: "Evaluation of feedback-reduction algorithms for hearing aids", THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, AMERICAN INSTITUTE OF PHYSICS FOR THE ACOUSTICAL SOCIETY OF AMERICA, NEW YORK, NY, US LNKD- DOI:10.1121/1.1316095, vol. 108, no. 5, 1 November 2000 (2000-11-01), pages 2366 - 2376, XP012002015, ISSN: 0001-4966

Designated contracting state (EPC)


DOCDB simple family (publication)

EP 1309225 A1 20030507; EP 1309225 B1 20140416; DK 1309225 T3 20140526

DOCDB simple family (application)

EP 02022088 A 20021002; DK 02022088 T 20021002